Tuyere



(No Model.)

H. WATSON.

TUYBRE.

N0.,Z50,76 9. Patented Dec. 13,1881.

WITNESSES INVENTOR I K! I I I Q 7'L I E A TORNEYS UNITED STATES PATENTOFFICE.

HUGH WATSON, OF CLEVELAND, OHIO.

TUYERE.

SPECIFICATION forming part of Letters Patent No. 250,769, dated December13,1881.

Application filed August so, 1881. (No model.)

To all whom it may concern:

Be it known that I, HUGH WA'rsoN, of Cleveland, in the county ofOuyahoga and State of Ohio, have invented certain new and usefulImprovements in Tuyeres; and I do hereby declare the following to be afull, clear, and exact description of the invention, such as will enableothers skilled in the art to which it pertains to makeand use it,reference being had to the accompanying drawings, which form part ofthis specification.

My invention relates to tuyeres, and more particularly to that classused in connection with blast-furnaces; and it consists in the peculiarconstruction of the same, as will be hereinafter fully set forth andclaimed.

In the drawings, Figure 1 is an isometric view of my device. Fig. 2 is alongitudinal vertical section of the same. Fig. 3 is an end View.

A is a hollow head, which is provided with two chambers, c and d. (Shownby dotted lines, Figs. 2 and 3.) These chambers are separated from eachother by the walls 9 and h, and have no communication with each otherthrough said head A. The chamber 0 is provided with an inlet, a, bymeans of which water is admitted to said chamber 0. The chamber d isprovidedwith an outlet, 1), through which water passes from said chamberd.

Connected to the head A, and communicating with the chamber 0, are tubes0, the other ends of which are also connected to and communicate withthe hollow nose B, which is provided with a continuous chamber, 6. Thechamber d of the head A is also provided with tubes 0, said tubes 0 alsobeing connected to and communicating with the interior of the nose B.

Surrounding the tubes 0 and C is a cylinder, D, which extends the lengthbetween the head A and nose B, the joints being made practicallyair-tight.

The orifice of the tuyere is lined with a cylinder, E, thus providing asmooth inner sur face for the passage of the blast.

The operation of my tuyere is as follows: A water-supply pipe beingattached to the inlet a, water is fed into the chamber 0. and fromthence passes through the tubes 0 into the chamberc of the nose B, andback through the tubes 0 to the chamber d in the head A, when it isallowed to pass out through the outlet b.

By forming my tuyere as above described I get a perfect circulation ofthe water, which acts to keep the tuyere from burning, and also preventsthe accumulation of sediment in the tubes 0 and C or nose B.

What 1 claim is- 1. In a tuyere, the head A, provided with two or morechambers, c d, substantially as and for the purposes shown.

2. In atuyere, the combination, with a head provided with two or morechambers, of a hollow nose and pipes connecting the head with the nose,substantially as and for the purposes shown.

3. A tuyere provided with a series of pipes, through which water maypass from the head to the nose of the tuyere,in combination with anotherseries of pipes, through which water may pass from the nose to the head,and from thence be discharged from the tuyere, substantially as and forthe purposes shown.

4:. In a tuyere, the combination, with a head provided with hollowchambers c d, of pipes connecting said chambers with the hollow nose B,whereby water may be taken in through one of the chambers in the head,from thence pass through the series of pipes to the nose, and fromthence discharged through other pipes into the other chamber of the headD, and from thence from the tuyeres, substantially as and for thepurposes shown.

In testimony whereofl have signed my name to this specification in thepresence of two subscribing witnesses.

HUGH WATSON Witnesses:

J NO. GRoWELL, Jr., ALBERT E. LYNCH.

